Go to your main menu and press "Start" then use one of the following button combinations at your main screen:
Code: --- Result:
Up, Right, Down, Left, X, R, L --- Special Extension A and Beldum
Up, Down, Right, Left, Y, R, L --- Special Extension B and Slowpoke
R, L, Y, X, Left, Right, Y, X --- Special Extension C and Hoothoot
First you have to beat Landorus, then put in the indicated game into the Nintendo 3DS to unlock the the following area(s) and Legendary Pokemon(s).
Unlockable: --- How to Unlock:
Diving Extension (Lugia) --- Insert game Pokemon SoulSilver.
Rainbow Extension (Ho-Oh) --- Insert game Pokemon HeartGold.
Renegade Extension (Giratina) --- Insert game Pokemon Platinum.
Space Extension (Palkia) --- Insert game Pokemon Pearl.
Time Extension (Dialga) --- Insert game Pokemon Diamond.
The Dream Orbs you collect inside the game might be applied to obtain numerous different upgrades while in the Enhancement Lab. A good method will be to only emphasis on enhancing your Scope as this will enormously maximize the dream clouds that appear through a single-play mode and so enhance the rate at which you accumulate far more orbs and Pokemon.